甲状旁腺功能亢进病人手术前应将血钙降低至()
A.2.8mmol/L
B.3.0mmol/L
C.3.5mmol/L
D.3.8mmol/L
E.4.0mmol/L
参考答案:C
To understand the grammar of the sentence, you must break it _____ into parts. [ ]
A. down
B. up
C. off
D. out
血清总铁结合力增高,见于()
A.缺铁性贫血
B.感染性贫血
C.血色病
D.恶性贫血
E.以上都是